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https://www.readbyqxmd.com/read/29332073/functional-anatomy-of-basal-ganglia-circuits-with-the-cerebral-cortex-and-the-cerebellum
#1
Andreea C Bostan, Richard P Dum, Peter L Strick
The neural connections of the basal ganglia provide important insights into their function. Here, we discuss the current perspective on basal ganglia connections with the cerebral cortex and with the cerebellum. We review the evidence that the basal ganglia participate in functionally segregated circuits with motor and non-motor areas of the cerebral cortex. We then discuss the data that the basal ganglia are interconnected with the cerebellum. These results provide the anatomical substrate for basal ganglia contributions not only to the control of movement, but also to a variety of cognitive and affective functions...
2018: Progress in Neurological Surgery
https://www.readbyqxmd.com/read/29332052/when-art-meets-gardens-does-it-enhance-the-benefits-the-nancy-hypothesis-of-care-for-persons-with-alzheimer-s-disease
#2
Thérèse Rivasseau Jonveaux, Reinhard Fescharek
The creation of healing gardens for persons with Alzheimer's disease and related diseases (ADRD) offers vast potential. They can play a role in the scaffolding of cognitive disorders, emotional stress, sensory processing, sense of harmony, and appeasement. These effects are achieved through a distributed interplay of psychological functions with the immediate environment and local culture on the one hand, and dialogue on the other. The garden, a natural canvas created by man, shares with art the ability to foster an esthetic sense for which the perception can be measured by functional neurological imaging exploration...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29332042/protective-effects-of-indian-spice-curcumin-against-amyloid-%C3%AE-in-alzheimer-s-disease
#3
P Hemachandra Reddy, Maria Manczak, Xiangling Yin, Mary Catherine Grady, Andrew Mitchell, Sahil Tonk, Chandra Sekhar Kuruva, Jasvinder Singh Bhatti, Ramesh Kandimalla, Murali Vijayan, Subodh Kumar, Rui Wang, Jangampalli Adi Pradeepkiran, Gilbert Ogunmokun, Kavya Thamarai, Kandi Quesada, Annette Boles, Arubala P Reddy
The purpose of our article is to assess the current understanding of Indian spice, curcumin, against amyloid-β (Aβ)-induced toxicity in Alzheimer's disease (AD) pathogenesis. Natural products, such as ginger, curcumin, and gingko biloba have been used as diets and dietary supplements to treat human diseases, including cancer, cardiovascular, respiratory, infectious, diabetes, obesity, metabolic syndromes, and neurological disorders. Products derived from plants are known to have protective effects, including anti-inflammatory, antioxidant, anti-arthritis, pro-healing, and boosting memory cognitive functions...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29331872/effect-of-physical-activity-on-cognitive-flexibility-depression-and-rbd-in-healthy-elderly
#4
Stefanie Lerche, Alexandra Gutfreund, Kathrin Brockmann, Markus A Hobert, Isabel Wurster, Ulrike Sünkel, Gerhard W Eschweiler, Florian G Metzger, Walter Maetzler, Daniela Berg
OBJECTIVE: The prevalence of Alzheimer's disease and Parkinson's disease increases with the raising number of elderly, which will be a challenging situation for the healthcare systems and society in the future. There is evidence that there are modifiable risk-factors e.g. physical activity for these diseases. Here, we study the interaction between sports inactivity with prodromal markers for neurodegeneration. PATIENTS AND METHODS: We investigated 667 neurologically healthy individuals cross-sectional and a subgroup longitudinal over six years...
January 9, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29331207/cerebral-amyloid-angiopathy-related-inflammation-a-case-report-presenting-diagnostic-difficulties
#5
Cecylia Rajczewska-Oleszkiewicz, Agnieszka Cyganek, Anna Stadnik, Dorota Dziewulska
We describe an 86-year-old woman with a history of hypertension who presented sudden disturbances of consciousness and left hemiparesis. Brain magnetic resonance imaging (MRI) revealed diffused hyperintensive changes on T2-weighted images localized subcortically in the white matter of both cerebral hemispheres, corresponding to acute vasogenic edema, causing moderate mass effect. Posterior reversible encephalopathy syndrome was initially diagnosed. After implementation of anti-edema intravenous steroid treatment and hypotensive therapy the symptoms began to retire, till the total regression...
January 6, 2018: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/29331082/mechanistic-target-of-rapamycin-complex-1-and-2-in-human-temporal-lobe-epilepsy
#6
Delia M Talos, Leah M Jacobs, Sarah Gourmaud, Carlos A Coto, Hongyu Sun, Kuei-Cheng Lim, Timothy H Lucas, Kathryn A Davis, Maria Martinez-Lage, Frances E Jensen
OBJECTIVE: Temporal lobe epilepsy (TLE) is a chronic epilepsy syndrome defined by seizures and progressive neurological disabilities, including cognitive impairments, anxiety and depression. Here, human TLE specimens were investigated focusing on the mechanistic target of rapamycin (mTOR) Complex 1 (mTORC1) and Complex 2 (mTORC2) activities in the brain, as both pathways may represent unique targets for treatment. METHODS: Surgically resected hippocampal and temporal lobe samples from therapy-resistant TLE patients were analyzed by Western blotting to quantify the expression of established mTORC1 and mTORC2 activity markers and upstream or downstream signaling pathways involving the two complexes...
January 13, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29328980/consequence-of-intraventricular-hemorrhage-on-neurovascular-coupling-evoked-by-speech-syllables-in-preterm-neonates
#7
Mahdi Mahmoudzadeh, Ghislaine Dehaene-Lambertz, Guy Kongolo, Marc Fournier, Sabrina Goudjil, Fabrice Wallois
Intraventricular Hemorrhage (IVH) is the leading cause of neurological and cognitive impairment in preterm neonates with an incidence that increases with increasing prematurity. In the present study, we tested how preterm neonates with IVH react to external stimulation (i.e. speech syllables). We compared their neural responses measured by electroencephalography (EEG), and hemodynamic responses measured by functional near-infrared spectroscopy (fNIRS), with those of healthy preterms. A neural response to syllables was observed in these infants, but did not induce a vascular response in contrast with healthy neonates...
January 5, 2018: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29327279/emotion-recognition-and-psychological-comorbidity-in-friedreich-s-ataxia
#8
Teresa Costabile, Veronica Capretti, Filomena Abate, Agnese Liguori, Francesca Paciello, Chiara Pane, Anna De Rosa, Silvio Peluso, Giuseppe De Michele, Alessandro Filla, Francesco Saccà
Friedreich's ataxia (FRDA) is an autosomal recessive disease presenting with ataxia, corticospinal signs, peripheral neuropathy, and cardiac abnormalities. Little effort has been made to understand the psychological and emotional burden of the disease. The aim of our study was to measure patients' ability to recognize emotions using visual and non-verbal auditory hints, and to correlate this ability with psychological, neuropsychological, and neurological variables. We included 20 patients with FRDA, and 20 age, sex, and education matched healthy controls (HC)...
January 11, 2018: Cerebellum
https://www.readbyqxmd.com/read/29325624/sex-chromosome-aneuploidies
#9
David Skuse, Frida Printzlau, Jeanne Wolstencroft
Sex chromosome aneuploidies comprise a relatively common group of chromosome disorders characterized by the loss or gain of one or more sex chromosomes. We discuss five of the better-known sex aneuploidies: Turner syndrome (XO), Klinefelter syndrome (XXY), trisomy X (XXX), XYY, and XXYY. Despite their prevalence in the general population, these disorders are underdiagnosed and the specific genetic mechanisms underlying their phenotypes are poorly understood. Although there is considerable variation between them in terms of associated functional impairment, each disorder has a characteristic physical, cognitive, and neurologic profile...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29322980/neurology-of-renal-disorders
#10
Pushpendra N Renjen, Dinesh Chaudhari, Gaurav Sagar, Sanjiv Jasuja
Chronic kidney disease (CKD) is a critical and rapidly growing global health problem. Neurological complications occur in almost all patients with severe CKD, potentially affecting all levels of the nervous system, from the central nervous system (CNS) through to the peripheral nervous system (PNS). Patients with CKD exhibit a high incidence of symptomatic and occult cerebrovascular diseases, associated tremendously high levels of inflammatory factors and homocysteine, as well as anemia, hypertension, and diabetes...
January 2018: Neurology India
https://www.readbyqxmd.com/read/29322861/community-mobility-after-stroke-a-systematic-review
#11
Steven Wesselhoff, Timothy A Hanke, Christian C Evans
Background Stroke is the leading cause of severe disability and many survivors report long-term physical or cognitive impairments that may impact their ability to achieve community mobility (CM). PURPOSE: To determine the extent to which people with chronic stroke achieve CM compared to age-matched norms or non-neurologically impaired controls. Methods The StrokEDGE outcome measures were searched to identify validated tools that included >25% of items addressing CM. MEDLINE, CINAHL, Google Scholar, PubMed, PEDro and the Cochrane databases were searched from 2001 to 2015 with the identified outcome measures cross-referenced against search terms related to stroke and CM...
January 11, 2018: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/29320933/gray-matter-networks-and-cognitive-impairment-in-multiple-sclerosis
#12
Carolina M Rimkus, Menno M Schoonheim, Martijn D Steenwijk, Hugo Vrenken, Anand Jc Eijlers, Joep Killestein, Mike P Wattjes, Claudia C Leite, Frederik Barkhof, Betty M Tijms
BACKGROUND: Coordinated patterns of gray matter morphology can be represented as networks, and network disruptions may explain cognitive dysfunction related to multiple sclerosis (MS). OBJECTIVE: To investigate whether single-subject gray matter network properties are related to impaired cognition in MS. METHODS: We studied 148 MS patients (99 female) and 33 healthy controls (HC, 21 female). Seven network parameters were computed and compared within MS between cognitively normal and impaired subjects, and associated with performance on neuropsychological tests in six cognitive domains with regression models...
January 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29320772/a-perfect-storm-the-role-of-the-mammalian-target-of-rapamycin-mtor-in-cerebrovascular-dysfunction-of-alzheimer-s-disease-a-mini-review
#13
Candice E Van Skike, Veronica Galvan
Cerebrovascular dysfunction is detected prior to the onset of cognitive and histopathological changes in Alzheimer's disease (AD). Increasing evidence indicates a critical role of cerebrovascular dysfunction in the initiation and progression of AD. Recent studies identified the mechanistic/mammalian target of rapamycin (mTOR) as a critical effector of cerebrovascular dysfunction in AD. mTOR has a key role in the regulation of metabolism, but some mTOR-dependent mechanisms are uniquely specific to the regulation of cerebrovascular function...
January 11, 2018: Gerontology
https://www.readbyqxmd.com/read/29320166/mass-spectrometric-quantitation-of-tubulin-acetylation-from-pepsin-digested-rat-brain-tissue-using-a-novel-stable-isotope-standard-and-capture-by-anti-peptide-antibody-siscapa-method
#14
Xiangkun Yang, Sean X Naughton, Zhen Han, Maomao He, Y George Zheng, Alvin V Terry, Michael G Bartlett
Acetylation of α-tubulin at Lys-40 is a potential biomarker for cognitive deficits in various neurological disorders. However, this key PTM has not been previously studied with mass spectrometry, due to the inadequate distribution of tryptic cleavage sites. Following peptic digestion, a surrogate sequence containing this key PTM site was identified, and was found to be stable and quantitatively reproducible. A highly sensitive and specific SISCAPA-LC-MS method for quantitating rat brain tubulin acetylation was developed, validated and applied, and only required a small amount of tissue (2...
January 10, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29318932/decreased-taurine-and-creatine-in-the-thalamus-may-relate-to-behavioral-impairments-in-ethanol-fed-mice-a-pilot-study-of-proton-magnetic-resonance-spectroscopy
#15
Su Xu, Wenjun Zhu, Yamin Wan, JiaBei Wang, Xi Chen, Liya Pi, Mary Kay Lobo, Bin Ren, Zhekang Ying, Michael Morris, Qi Cao
Minimal hepatic encephalopathy (MHE) is highly prevalent, observed in up to 80% of patients with liver dysfunction. Minimal hepatic encephalopathy is defined as hepatic encephalopathy with cognitive deficits and no grossly evident neurologic abnormalities. Clinical management may be delayed due to the lack of in vivo quantitative methods needed to reveal changes in brain neurobiochemical biomarkers. To gain insight into the development of alcoholic liver disease-induced neurological dysfunction (NDF), a mouse model of late-stage alcoholic liver fibrosis (LALF) was used to investigate changes in neurochemical levels in the thalamus and hippocampus that relate to behavioral changes...
January 2018: Molecular Imaging
https://www.readbyqxmd.com/read/29316843/diagnosis-threat-and-underperformance-the-threat-must-be-relevant-and-implicit
#16
Megan Fresson, Benoit Dardenne, Thierry Meulemans
INTRODUCTION: The diagnosis threat (DT) phenomenon shows that, in some cases, reminding people with mild traumatic brain injury (mTBI) about their past neurological history diminishes subsequent cognitive performance. The aim of the present study was to investigate the role of personal relevance (i.e., domain identification) and type of threat (i.e., implicit vs. explicit) as moderating variables. We investigated intrusive thoughts as a potential mediator. METHOD: Control (non-mTBI) and mTBI participants were recruited and completed a domain identification questionnaire...
January 10, 2018: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/29315142/enteroviral-encephalitis-in-a-child-with-cns-relapse-of-burkitt-leukemia-treated-with-rituximab
#17
Najma Shaheen, Francis Mussai
A boy with central nervous system relapse of Burkitt leukemia developed fever and neurological symptoms and cognitive impairment. He had received multi-drug chemotherapy including rituximab. Enterovirus (EV) was detected in cerebrospinal fluid by polymerase chain reaction, and magnetic resonance imaging findings were consistent with viral infection. The patient was treated with intravenous immunoglobulin and within 1 month cleared his EV. Rituximab can cause a profound B-cell deficiency predisposing patients to infections including EV encephalitis...
January 8, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29313909/peri-operative-neurological-complications
#18
REVIEW
R Hood, A Budd, F A Sorond, C W Hogue
Brain injury from cardiac surgery is an important source of patient morbidity and mortality. The relationship between risk of brain injury and advanced age portends a rising frequency of these complications due to an increasing proportion of elderly patients undergoing cardiac surgery. This review will explore the aetiology and risk factors for peri-operative stroke, postoperative cognitive dysfunction and postoperative delirium. The prevention of each of these conditions will also be discussed, with a focus on brain protection strategies and the avoidance of cerebral embolism and hypoperfusion...
January 2018: Anaesthesia
https://www.readbyqxmd.com/read/29310907/co-occurrence-and-severity-of-neurodevelopmental-burden-cognitive-impairment-cerebral-palsy-autism-spectrum-disorder-and-epilepsy-at-age-10-years-in-children-born-extremely-preterm
#19
Rachel G Hirschberger, Karl C K Kuban, Thomas M O'Shea, Robert M Joseph, Tim Heeren, Laurie Douglass, Carl E Stafstrom, Hernan Jara, Jean A Frazier, Deborah Hirtz, Julie Rollins, Nigel Paneth
BACKGROUND: This study aims to determine the prevalence of neurodevelopmental impairments at age ten years among children born extremely preterm (less than 28 weeks gestational age) and to offer a framework for categorizing neurological limitations. METHODS: A multicenter, prospective cohort follow-up study recruited 889 ten-year-old children born from 2002 to 2004. We assessed prevalence of cognitive impairment, measured by intelligent quotient and tests of executive function, cerebral palsy (CP), autism spectrum disorder (ASD), and epilepsy singly and in combination...
November 13, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29310866/initial-clinical-presentation-of-young-children-with-n-methyl-d-aspartate-receptor-encephalitis
#20
Marion Favier, Bastien Joubert, Géraldine Picard, Véronique Rogemond, Laure Thomas, Sylvain Rheims, Marion Bailhache, Frédéric Villega, Jean-Michel Pédespan, Giulia Berzero, Dimitri Psimaras, Jean-Christophe Antoine, Virginie Desestret, Jérôme Honnorat
Autoimmune encephalitis with anti-N-methyl-d-aspartate receptor autoantibodies (NMDA-R-Abs) is a recently described disease affecting adult and pediatric patients. Symptoms of the disease are now perfectly described in the adult population but the clinical presentation is less known in young children. The aim of the present study was to describe the clinical presentation and the specificities of symptoms presented by young children with NMDA-R-Abs encephalitis to improve diagnosis of this disease, and to compare these to a series of previously published female adult patients...
December 28, 2017: European Journal of Paediatric Neurology: EJPN
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